<?php
namespace Home\Controller;
use Think\Controller;
class LessonController extends Controller {
    // public function gamelist(){
    //     $games=M('games');#调用表
    //     $this->gamelist=$games->select();##调动成员方法
    //     dump($this->gamelist);
    //     $this->display();
    // }
    public function lessonlist(){
		$lessonmodel=M('lesson');
		$lesson=$lessonmodel->order('lesson_id desc')->select();
		/*dump($goods);*/
		$this->lesson=$lesson;
		$this->display();
	}

    public function delete($lesson_id){
   /*dump($_GET);
   echo $id;//如果只写上面这3行，注释部分，会再页面显示要删除的数据 
  */ 
    $lessonModel=M('lesson');
        $res=$lessonModel->where("lesson_id=$lesson_id")->find();
        $photoPath = realpath("./Public/upload/lessonpic/".$res['lesson_picture']);
        unlink($photoPath);
        //$res=$usersmodel->where("id=$id")->delete();
        if ($lessonModel->delete($lesson_id)) {
            $this->success('删除成功！');
        } else {
            $this->error('删除失败');
        }
    }


    public function addlesson(){
        $this->display();

    } 
    Public function dolesson(){
        $data=$_POST;
        $file=$_FILES;
        //dump($file['photo']['size']); 
        //dump($file);      
        $LessonModel = M('lesson'); // 实例化User模型
        $LessonModel->lesson_name =  I('post.lesson_name'); // 设置用户的创建时间
        $LessonModel->lesson_intro =  I('post.lesson_intro');
        $LessonModel->uploaddate =  date("Y-m-d H:i:s"); // 设置用户的创建时间
        $LessonModel->lesson_address = I('post.lesson_address');
         //dump($data);
        if ($file['lesson_picture']['size']==0) {//没有上传轮播图片
            //$this->error('请上传背景图片！');                         
        }else{//有图片
            $info=$this->MyUpload();
            $LessonModel->lesson_picture = $info['lesson_picture']['savename']; // 保存上传的照片根据需要自行组装
        }
        $addresult=$LessonModel->add(); // 写入用户数据到数据库
        if (false !== $addresult){
            $this->success('上传成功！', '../Lesson/lessonlist');
        }else{ 
            $this->error('数据错误'); 
        }
        
    }

     public function MyUpload(){
                //上传头像
        $upload = new \Think\Upload();// 实例化上传类
        $upload->maxSize  = 3145728 ;// 设置附件上传大小
        //$upload->allowExts  = array('mp4','jpg', 'gif', 'png', 'jpeg');// 设置附件上传类型
        $upload->exts  = array('jpg', 'gif', 'png', 'jpeg');
        $upload->rootPath  =  './';
        $upload->savePath =  'Public/upload/lessonpic/';// 设置附件上传目录

        $upload->autoSub = false;
        $upload->saveName = date("YmdHis").rand(100,999);//定义名字
        // 上传单个文件 
        $info = $upload->upload();                    
            if(!$info) {// 上传错误提示错误信息
                $this->error($upload->getError());
            }else{// 上传成功 获取上传文件信息
                return $info;
            }
    } 

    function editlesson($lesson_id){
        $lesson = M('lesson');
        $res = $lesson->where("lesson_id = $lesson_id")->find($data);
        $this->list=$res;
        $this->display();
    }
    function doUpdate($lesson_id){
   
        $lessonmodel=M('lesson');
        if($_FILES['lesson_picture']['error'] == 0){
            $logoinfo = $this->MyUpload();
            $pname = $logoinfo['file']['savename'];
        } else {
            $pname = "default.jpg";
        }
        $data['lesson_name']=I('post.lesson_name');
        $data['lesson_address']=I('post.lesson_address');
        $data['lesson_picture'] = $pname;
        $res=$lessonmodel->where("lesson_id = $lesson_id")->save($data);
        if (false!==$res){
            $this->success('信息修改成功','lessonlist');
        } else{
            $this->error('信息修改失败');
        }
    }




}